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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.341 by elmex, Sat Aug 25 16:51:38 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV 3.2;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
14 35
15use Coro 3.64 (); 36use Coro 4.50 ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::EV;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
22use Coro::AIO; 43use Coro::AIO;
44use Coro::BDB;
23use Coro::Storable; 45use Coro::Storable;
24use Coro::Util (); 46use Coro::Util ();
25 47
26use JSON::XS 1.4 (); 48use JSON::XS 2.01 ();
27use BDB (); 49use BDB ();
28use Data::Dumper; 50use Data::Dumper;
29use Digest::MD5; 51use Digest::MD5;
30use Fcntl; 52use Fcntl;
31use YAML::Syck (); 53use YAML ();
32use IO::AIO 2.32 (); 54use IO::AIO 2.51 ();
33use Time::HiRes; 55use Time::HiRes;
34use Compress::LZF; 56use Compress::LZF;
35use Digest::MD5 (); 57use Digest::MD5 ();
36 58
37# configure various modules to our taste 59# configure various modules to our taste
38# 60#
39$Storable::canonical = 1; # reduce rsync transfers 61$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 62Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43$Event::Eval = 1; # no idea why this is required, but it is
44
45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46$YAML::Syck::ImplicitUnicode = 1;
47 64
48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49 66
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51 68
70our $TMPDIR = "$LOCALDIR/" . tmpdir; 87our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir; 89our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random"; 90our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db"; 91our $BDBDIR = "$LOCALDIR/db";
92our %RESOURCE;
75 93
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER; 95our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80our $NEXT_TICK; 97our $NEXT_TICK;
81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off 98our $USE_FSYNC = 1; # use fsync to write maps - default off
83 99
84our $BDB_POLL_WATCHER; 100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER;
85our $DB_ENV; 104our $DB_ENV;
86 105
87our %CFG; 106our %CFG;
88 107
89our $UPTIME; $UPTIME ||= time; 108our $UPTIME; $UPTIME ||= time;
90our $RUNTIME; 109our $RUNTIME;
110our $NOW;
91 111
92our %PLAYER; # all users 112our (%PLAYER, %PLAYER_LOADING); # all users
93our %MAP; # all maps 113our (%MAP, %MAP_LOADING ); # all maps
94our $LINK_MAP; # the special {link} map, which is always available 114our $LINK_MAP; # the special {link} map, which is always available
95 115
96# used to convert map paths into valid unix filenames by replacing / by ∕ 116# used to convert map paths into valid unix filenames by replacing / by ∕
97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 117our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98 118
99our $LOAD; # a number between 0 (idle) and 1 (too many objects) 119our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing 120our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter
101our $tick_start; # for load detecting purposes 122our $TICK_START; # for load detecting purposes
102 123
103binmode STDOUT; 124binmode STDOUT;
104binmode STDERR; 125binmode STDERR;
105 126
106# read virtual server time, if available 127# read virtual server time, if available
159 180
160The raw value load value from the last tick. 181The raw value load value from the last tick.
161 182
162=item %cf::CFG 183=item %cf::CFG
163 184
164Configuration for the server, loaded from C</etc/crossfire/config>, or 185Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165from wherever your confdir points to. 186from wherever your confdir points to.
166 187
167=item cf::wait_for_tick, cf::wait_for_tick_begin 188=item cf::wait_for_tick, cf::wait_for_tick_begin
168 189
169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 190These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
187 $msg .= "\n" 208 $msg .= "\n"
188 unless $msg =~ /\n$/; 209 unless $msg =~ /\n$/;
189 210
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 211 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191 212
192 utf8::encode $msg;
193 LOG llevError, $msg; 213 LOG llevError, $msg;
194 }; 214 };
195} 215}
216
217$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "=="
219
220 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d#
223 }#d#
224
225 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate
228};
229
230$SIG{__DIE__} = sub { }; #d#?
196 231
197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
213)) { 248)) {
214 no strict 'refs'; 249 no strict 'refs';
215 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216} 251}
217 252
218$Event::DIED = sub { 253$EV::DIED = sub {
219 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
220}; 255};
221 256
222############################################################################# 257#############################################################################
223 258
246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 281 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247 $d 282 $d
248 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
249} 284}
250 285
251=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
252 287
253Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
254 289
255=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
256 291
257Converts a perl data structure into its JSON representation. 292Converts a perl data structure into its JSON representation.
258 293
259=cut 294=cut
260 295
261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262 297
263sub to_json ($) { $json_coder->encode ($_[0]) } 298sub encode_json($) { $json_coder->encode ($_[0]) }
264sub from_json ($) { $json_coder->decode ($_[0]) } 299sub decode_json($) { $json_coder->decode ($_[0]) }
265 300
266=item cf::lock_wait $string 301=item cf::lock_wait $string
267 302
268Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
269 304
272Wait until the given lock is available and then acquires it and returns 307Wait until the given lock is available and then acquires it and returns
273a Coro::guard object. If the guard object gets destroyed (goes out of scope, 308a Coro::guard object. If the guard object gets destroyed (goes out of scope,
274for example when the coroutine gets canceled), the lock is automatically 309for example when the coroutine gets canceled), the lock is automatically
275returned. 310returned.
276 311
312Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro.
314
277Lock names should begin with a unique identifier (for example, cf::map::find 315Lock names should begin with a unique identifier (for example, cf::map::find
278uses map_find and cf::map::load uses map_load). 316uses map_find and cf::map::load uses map_load).
279 317
280=item $locked = cf::lock_active $string 318=item $locked = cf::lock_active $string
281 319
282Return true if the lock is currently active, i.e. somebody has locked it. 320Return true if the lock is currently active, i.e. somebody has locked it.
283 321
284=cut 322=cut
285 323
286our %LOCK; 324our %LOCK;
325our %LOCKER;#d#
287 326
288sub lock_wait($) { 327sub lock_wait($) {
289 my ($key) = @_; 328 my ($key) = @_;
329
330 if ($LOCKER{$key} == $Coro::current) {#d#
331 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332 return;#d#
333 }#d#
290 334
291 # wait for lock, if any 335 # wait for lock, if any
292 while ($LOCK{$key}) { 336 while ($LOCK{$key}) {
293 push @{ $LOCK{$key} }, $Coro::current; 337 push @{ $LOCK{$key} }, $Coro::current;
294 Coro::schedule; 338 Coro::schedule;
300 344
301 # wait, to be sure we are not locked 345 # wait, to be sure we are not locked
302 lock_wait $key; 346 lock_wait $key;
303 347
304 $LOCK{$key} = []; 348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
305 350
306 Coro::guard { 351 Coro::guard {
352 delete $LOCKER{$key};#d#
307 # wake up all waiters, to be on the safe side 353 # wake up all waiters, to be on the safe side
308 $_->ready for @{ delete $LOCK{$key} }; 354 $_->ready for @{ delete $LOCK{$key} };
309 } 355 }
310} 356}
311 357
314 360
315 ! ! $LOCK{$key} 361 ! ! $LOCK{$key}
316} 362}
317 363
318sub freeze_mainloop { 364sub freeze_mainloop {
319 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
320 366
321 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
322 $TICK_WATCHER->start; 368}
323 }; 369
324 $TICK_WATCHER->stop; 370=item cf::periodic $interval, $cb
325 $guard 371
372Like EV::periodic, but randomly selects a starting point so that the actions
373get spread over timer.
374
375=cut
376
377sub periodic($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
326} 383}
327 384
328=item cf::get_slot $time[, $priority[, $name]] 385=item cf::get_slot $time[, $priority[, $name]]
329 386
330Allocate $time seconds of blocking CPU time at priority C<$priority>: 387Allocate $time seconds of blocking CPU time at priority C<$priority>:
341our @SLOT_QUEUE; 398our @SLOT_QUEUE;
342our $SLOT_QUEUE; 399our $SLOT_QUEUE;
343 400
344$SLOT_QUEUE->cancel if $SLOT_QUEUE; 401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345$SLOT_QUEUE = Coro::async { 402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
346 my $signal = new Coro::Signal; 405 my $signal = new Coro::Signal;
347 406
348 while () { 407 while () {
349 next_job: 408 next_job:
350 my $avail = cf::till_tick; 409 my $avail = cf::till_tick;
358 } 417 }
359 } 418 }
360 } 419 }
361 420
362 if (@SLOT_QUEUE) { 421 if (@SLOT_QUEUE) {
363 # we do not use wait_For_tick() as it returns immediately when tick is inactive 422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
364 push @cf::WAIT_FOR_TICK, $signal; 423 push @cf::WAIT_FOR_TICK, $signal;
365 $signal->wait; 424 $signal->wait;
366 } else { 425 } else {
367 Coro::schedule; 426 Coro::schedule;
368 } 427 }
391 450
392BEGIN { *async = \&Coro::async_pool } 451BEGIN { *async = \&Coro::async_pool }
393 452
394=item cf::sync_job { BLOCK } 453=item cf::sync_job { BLOCK }
395 454
396The design of Crossfire TRT requires that the main coroutine ($Coro::main) 455The design of Deliantra requires that the main coroutine ($Coro::main)
397is always able to handle events or runnable, as Crossfire TRT is only 456is always able to handle events or runnable, as Deliantra is only
398partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 457partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399acceptable. 458acceptable.
400 459
401If it must be done, put the blocking parts into C<sync_job>. This will run 460If it must be done, put the blocking parts into C<sync_job>. This will run
402the given BLOCK in another coroutine while waiting for the result. The 461the given BLOCK in another coroutine while waiting for the result. The
407 466
408sub sync_job(&) { 467sub sync_job(&) {
409 my ($job) = @_; 468 my ($job) = @_;
410 469
411 if ($Coro::current == $Coro::main) { 470 if ($Coro::current == $Coro::main) {
412 my $time = Event::time; 471 my $time = EV::time;
413 472
414 # this is the main coro, too bad, we have to block 473 # this is the main coro, too bad, we have to block
415 # till the operation succeeds, freezing the server :/ 474 # till the operation succeeds, freezing the server :/
416 475
417 # TODO: use suspend/resume instead 476 LOG llevError, Carp::longmess "sync job";#d#
418 # (but this is cancel-safe) 477
419 my $freeze_guard = freeze_mainloop; 478 my $freeze_guard = freeze_mainloop;
420 479
421 my $busy = 1; 480 my $busy = 1;
422 my @res; 481 my @res;
423 482
424 (async { 483 (async {
484 $Coro::current->desc ("sync job coro");
425 @res = eval { $job->() }; 485 @res = eval { $job->() };
426 warn $@ if $@; 486 warn $@ if $@;
427 undef $busy; 487 undef $busy;
428 })->prio (Coro::PRIO_MAX); 488 })->prio (Coro::PRIO_MAX);
429 489
430 while ($busy) { 490 while ($busy) {
431 Coro::cede or Event::one_event; 491 if (Coro::nready) {
492 Coro::cede_notself;
493 } else {
494 EV::loop EV::LOOP_ONESHOT;
432 } 495 }
496 }
433 497
434 $time = Event::time - $time; 498 my $time = EV::time - $time;
435 499
436 LOG llevError | logBacktrace, Carp::longmess "long sync job"
437 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439 $tick_start += $time; # do not account sync jobs to server load 500 $TICK_START += $time; # do not account sync jobs to server load
440 501
441 wantarray ? @res : $res[0] 502 wantarray ? @res : $res[0]
442 } else { 503 } else {
443 # we are in another coroutine, how wonderful, everything just works 504 # we are in another coroutine, how wonderful, everything just works
444 505
469=item fork_call { }, $args 530=item fork_call { }, $args
470 531
471Executes the given code block with the given arguments in a seperate 532Executes the given code block with the given arguments in a seperate
472process, returning the results. Everything must be serialisable with 533process, returning the results. Everything must be serialisable with
473Coro::Storable. May, of course, block. Note that the executed sub may 534Coro::Storable. May, of course, block. Note that the executed sub may
474never block itself or use any form of Event handling. 535never block itself or use any form of event handling.
475 536
476=cut 537=cut
477 538
478sub fork_call(&@) { 539sub fork_call(&@) {
479 my ($cb, @args) = @_; 540 my ($cb, @args) = @_;
480 541
481 # we seemingly have to make a local copy of the whole thing, 542 # we seemingly have to make a local copy of the whole thing,
482 # otherwise perl prematurely frees the stuff :/ 543 # otherwise perl prematurely frees the stuff :/
483 # TODO: investigate and fix (liekly this will be rather laborious) 544 # TODO: investigate and fix (likely this will be rather laborious)
484 545
485 my @res = Coro::Util::fork_eval { 546 my @res = Coro::Util::fork_eval {
486 reset_signals; 547 reset_signals;
487 &$cb 548 &$cb
488 }, @args; 549 }, @args;
489 550
490 wantarray ? @res : $res[-1] 551 wantarray ? @res : $res[-1]
491} 552}
492 553
554=item $coin = coin_from_name $name
555
556=cut
557
558our %coin_alias = (
559 "silver" => "silvercoin",
560 "silvercoin" => "silvercoin",
561 "silvercoins" => "silvercoin",
562 "gold" => "goldcoin",
563 "goldcoin" => "goldcoin",
564 "goldcoins" => "goldcoin",
565 "platinum" => "platinacoin",
566 "platinumcoin" => "platinacoin",
567 "platinumcoins" => "platinacoin",
568 "platina" => "platinacoin",
569 "platinacoin" => "platinacoin",
570 "platinacoins" => "platinacoin",
571 "royalty" => "royalty",
572 "royalties" => "royalty",
573);
574
575sub coin_from_name($) {
576 $coin_alias{$_[0]}
577 ? cf::arch::find $coin_alias{$_[0]}
578 : undef
579}
580
493=item $value = cf::db_get $family => $key 581=item $value = cf::db_get $family => $key
494 582
495Returns a single value from the environment database. 583Returns a single value from the environment database.
496 584
497=item cf::db_put $family => $key => $value 585=item cf::db_put $family => $key => $value
498 586
499Stores the given C<$value> in the family. It can currently store binary 587Stores the given C<$value> in the family. It can currently store binary
500data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 588data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501 589
590=item $db = cf::db_table "name"
591
592Create and/or open a new database table. The string must not be "db" and must be unique
593within each server.
594
502=cut 595=cut
596
597sub db_table($) {
598 my ($name) = @_;
599 my $db = BDB::db_create $DB_ENV;
600
601 eval {
602 $db->set_flags (BDB::CHKSUM);
603
604 utf8::encode $name;
605 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
606 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
607 cf::cleanup "db_open(db): $!" if $!;
608 };
609 cf::cleanup "db_open(db): $@" if $@;
610
611 $db
612}
503 613
504our $DB; 614our $DB;
505 615
506sub db_init { 616sub db_init {
507 unless ($DB) {
508 $DB = BDB::db_create $DB_ENV;
509
510 cf::sync_job { 617 cf::sync_job {
511 eval { 618 $DB ||= db_table "db";
512 $DB->set_flags (BDB::CHKSUM);
513
514 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516 cf::cleanup "db_open(db): $!" if $!;
517 };
518 cf::cleanup "db_open(db): $@" if $@;
519 };
520 } 619 };
521} 620}
522 621
523sub db_get($$) { 622sub db_get($$) {
524 my $key = "$_[0]/$_[1]"; 623 my $key = "$_[0]/$_[1]";
525 624
575 if (1) { 674 if (1) {
576 $md5 = 675 $md5 =
577 join "\x00", 676 join "\x00",
578 $processversion, 677 $processversion,
579 map { 678 map {
580 Coro::cede; 679 cf::cede_to_tick;
581 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 680 ($src->[$_], Digest::MD5::md5_hex $data[$_])
582 } 0.. $#$src; 681 } 0.. $#$src;
583 682
584 683
585 my $dbmd5 = db_get cache => "$id/md5"; 684 my $dbmd5 = db_get cache => "$id/md5";
629attach callbacks/event handlers (a collection of which is called an "attachment") 728attach callbacks/event handlers (a collection of which is called an "attachment")
630to it. All such attachable objects support the following methods. 729to it. All such attachable objects support the following methods.
631 730
632In the following description, CLASS can be any of C<global>, C<object> 731In the following description, CLASS can be any of C<global>, C<object>
633C<player>, C<client> or C<map> (i.e. the attachable objects in 732C<player>, C<client> or C<map> (i.e. the attachable objects in
634Crossfire TRT). 733Deliantra).
635 734
636=over 4 735=over 4
637 736
638=item $attachable->attach ($attachment, key => $value...) 737=item $attachable->attach ($attachment, key => $value...)
639 738
921 } 1020 }
922 1021
923 0 1022 0
924} 1023}
925 1024
926=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1025=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927 1026
928=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929 1028
930Generate an object-specific event with the given arguments. 1029Generate an object-specific event with the given arguments.
931 1030
937 1036
938=cut 1037=cut
939 1038
940############################################################################# 1039#############################################################################
941# object support 1040# object support
942#
943 1041
1042sub _object_equal($$);
1043sub _object_equal($$) {
1044 my ($a, $b) = @_;
1045
1046 return 0 unless (ref $a) eq (ref $b);
1047
1048 if ("HASH" eq ref $a) {
1049 my @ka = keys %$a;
1050 my @kb = keys %$b;
1051
1052 return 0 if @ka != @kb;
1053
1054 for (0 .. $#ka) {
1055 return 0 unless $ka[$_] eq $kb[$_];
1056 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1057 }
1058
1059 } elsif ("ARRAY" eq ref $a) {
1060
1061 return 0 if @$a != @$b;
1062
1063 for (0 .. $#$a) {
1064 return 0 unless _object_equal $a->[$_], $b->[$_];
1065 }
1066
1067 } elsif ($a ne $b) {
1068 return 0;
1069 }
1070
1071 1
1072}
1073
1074our $SLOW_MERGES;#d#
944sub _can_merge { 1075sub _can_merge {
945 my ($ob1, $ob2) = @_; 1076 my ($ob1, $ob2) = @_;
946 1077
947 local $Storable::canonical = 1; 1078 ++$SLOW_MERGES;#d#
948 my $fob1 = Storable::freeze $ob1;
949 my $fob2 = Storable::freeze $ob2;
950 1079
951 $fob1 eq $fob2 1080 # we do the slow way here
1081 return _object_equal $ob1, $ob2
952} 1082}
953 1083
954sub reattach { 1084sub reattach {
955 # basically do the same as instantiate, without calling instantiate 1085 # basically do the same as instantiate, without calling instantiate
956 my ($obj) = @_; 1086 my ($obj) = @_;
978cf::attachable->attach ( 1108cf::attachable->attach (
979 prio => -1000000, 1109 prio => -1000000,
980 on_instantiate => sub { 1110 on_instantiate => sub {
981 my ($obj, $data) = @_; 1111 my ($obj, $data) = @_;
982 1112
983 $data = from_json $data; 1113 $data = decode_json $data;
984 1114
985 for (@$data) { 1115 for (@$data) {
986 my ($name, $args) = @$_; 1116 my ($name, $args) = @$_;
987 1117
988 $obj->attach ($name, %{$args || {} }); 1118 $obj->attach ($name, %{$args || {} });
1004sub object_freezer_save { 1134sub object_freezer_save {
1005 my ($filename, $rdata, $objs) = @_; 1135 my ($filename, $rdata, $objs) = @_;
1006 1136
1007 sync_job { 1137 sync_job {
1008 if (length $$rdata) { 1138 if (length $$rdata) {
1139 utf8::decode (my $decname = $filename);
1009 warn sprintf "saving %s (%d,%d)\n", 1140 warn sprintf "saving %s (%d,%d)\n",
1010 $filename, length $$rdata, scalar @$objs; 1141 $decname, length $$rdata, scalar @$objs;
1011 1142
1012 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1143 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013 chmod SAVE_MODE, $fh; 1144 chmod SAVE_MODE, $fh;
1014 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1145 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015 aio_fsync $fh if $cf::USE_FSYNC; 1146 aio_fsync $fh if $cf::USE_FSYNC;
1016 close $fh; 1147 close $fh;
1017 1148
1018 if (@$objs) { 1149 if (@$objs) {
1019 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1150 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020 chmod SAVE_MODE, $fh; 1151 chmod SAVE_MODE, $fh;
1021 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1152 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022 aio_write $fh, 0, (length $data), $data, 0; 1153 aio_write $fh, 0, (length $data), $data, 0;
1023 aio_fsync $fh if $cf::USE_FSYNC; 1154 aio_fsync $fh if $cf::USE_FSYNC;
1024 close $fh; 1155 close $fh;
1025 aio_rename "$filename.pst~", "$filename.pst"; 1156 aio_rename "$filename.pst~", "$filename.pst";
1026 } 1157 }
1034 } 1165 }
1035 } else { 1166 } else {
1036 aio_unlink $filename; 1167 aio_unlink $filename;
1037 aio_unlink "$filename.pst"; 1168 aio_unlink "$filename.pst";
1038 } 1169 }
1039 } 1170 };
1040} 1171}
1041 1172
1042sub object_freezer_as_string { 1173sub object_freezer_as_string {
1043 my ($rdata, $objs) = @_; 1174 my ($rdata, $objs) = @_;
1044 1175
1056 or return; 1187 or return;
1057 1188
1058 unless (aio_stat "$filename.pst") { 1189 unless (aio_stat "$filename.pst") {
1059 (aio_load "$filename.pst", $av) >= 0 1190 (aio_load "$filename.pst", $av) >= 0
1060 or return; 1191 or return;
1192
1061 $av = eval { (Storable::thaw $av)->{objs} }; 1193 my $st = eval { Coro::Storable::thaw $av };
1194 $av = $st->{objs};
1062 } 1195 }
1063 1196
1197 utf8::decode (my $decname = $filename);
1064 warn sprintf "loading %s (%d)\n", 1198 warn sprintf "loading %s (%d,%d)\n",
1065 $filename, length $data, scalar @{$av || []}; 1199 $decname, length $data, scalar @{$av || []};
1200
1066 return ($data, $av); 1201 ($data, $av)
1067} 1202}
1068 1203
1069=head2 COMMAND CALLBACKS 1204=head2 COMMAND CALLBACKS
1070 1205
1071=over 4 1206=over 4
1220 my $msg = $@ ? "$v->{path}: $@\n" 1355 my $msg = $@ ? "$v->{path}: $@\n"
1221 : "$v->{base}: extension inactive.\n"; 1356 : "$v->{base}: extension inactive.\n";
1222 1357
1223 if (exists $v->{meta}{mandatory}) { 1358 if (exists $v->{meta}{mandatory}) {
1224 warn $msg; 1359 warn $msg;
1225 warn "mandatory extension failed to load, exiting.\n"; 1360 cf::cleanup "mandatory extension failed to load, exiting.";
1226 exit 1;
1227 } 1361 }
1228 1362
1229 warn $msg; 1363 warn $msg;
1230 } 1364 }
1231 1365
1256use Coro::AIO; 1390use Coro::AIO;
1257 1391
1258=head3 cf::player 1392=head3 cf::player
1259 1393
1260=over 4 1394=over 4
1395
1396=item cf::player::num_playing
1397
1398Returns the official number of playing players, as per the Crossfire metaserver rules.
1399
1400=cut
1401
1402sub num_playing {
1403 scalar grep
1404 $_->ob->map
1405 && !$_->hidden
1406 && !$_->ob->flag (cf::FLAG_WIZ),
1407 cf::player::list
1408}
1261 1409
1262=item cf::player::find $login 1410=item cf::player::find $login
1263 1411
1264Returns the given player object, loading it if necessary (might block). 1412Returns the given player object, loading it if necessary (might block).
1265 1413
1301 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1449 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1450 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1451 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304 aio_unlink +(playerdir $login) . "/$login.pl"; 1452 aio_unlink +(playerdir $login) . "/$login.pl";
1305 1453
1306 my $pl = load_pl path $login 1454 my $f = new_from_file cf::object::thawer path $login
1307 or return; 1455 or return;
1456
1457 my $pl = cf::player::load_pl $f
1458 or return;
1459 local $cf::PLAYER_LOADING{$login} = $pl;
1460 $f->resolve_delayed_derefs;
1308 $cf::PLAYER{$login} = $pl 1461 $cf::PLAYER{$login} = $pl
1309 } 1462 }
1310 } 1463 }
1311} 1464}
1312 1465
1322 1475
1323 aio_mkdir playerdir $pl, 0770; 1476 aio_mkdir playerdir $pl, 0770;
1324 $pl->{last_save} = $cf::RUNTIME; 1477 $pl->{last_save} = $cf::RUNTIME;
1325 1478
1326 $pl->save_pl ($path); 1479 $pl->save_pl ($path);
1327 Coro::cede; 1480 cf::cede_to_tick;
1328} 1481}
1329 1482
1330sub new($) { 1483sub new($) {
1331 my ($login) = @_; 1484 my ($login) = @_;
1332 1485
1410 or return []; 1563 or return [];
1411 1564
1412 my @logins; 1565 my @logins;
1413 1566
1414 for my $login (@$dirs) { 1567 for my $login (@$dirs) {
1568 my $path = path $login;
1569
1570 # a .pst is a dead give-away for a valid player
1571 unless (-e "$path.pst") {
1415 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1572 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416 aio_read $fh, 0, 512, my $buf, 0 or next; 1573 aio_read $fh, 0, 512, my $buf, 0 or next;
1417 $buf !~ /^password -------------$/m or next; # official not-valid tag 1574 $buf !~ /^password -------------$/m or next; # official not-valid tag
1575 }
1418 1576
1419 utf8::decode $login; 1577 utf8::decode $login;
1420 push @logins, $login; 1578 push @logins, $login;
1421 } 1579 }
1422 1580
1455 1613
1456Expand crossfire pod fragments into protocol xml. 1614Expand crossfire pod fragments into protocol xml.
1457 1615
1458=cut 1616=cut
1459 1617
1618use re 'eval';
1619
1620my $group;
1621my $interior; $interior = qr{
1622 # match a pod interior sequence sans C<< >>
1623 (?:
1624 \ (.*?)\ (?{ $group = $^N })
1625 | < (??{$interior}) >
1626 )
1627}x;
1628
1460sub expand_cfpod { 1629sub expand_cfpod {
1461 ((my $self), (local $_)) = @_; 1630 my ($self, $pod) = @_;
1462 1631
1463 # escape & and < 1632 my $xml;
1464 s/&/&amp;/g;
1465 s/(?<![BIUGH])</&lt;/g;
1466 1633
1467 # this is buggy, it needs to properly take care of nested <'s 1634 while () {
1635 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636 $group = $1;
1468 1637
1469 1 while 1638 $group =~ s/&/&amp;/g;
1470 # replace B<>, I<>, U<> etc. 1639 $group =~ s/</&lt;/g;
1471 s/B<([^\>]*)>/<b>$1<\/b>/ 1640
1472 || s/I<([^\>]*)>/<i>$1<\/i>/ 1641 $xml .= $group;
1473 || s/U<([^\>]*)>/<u>$1<\/u>/ 1642 } elsif ($pod =~ m%\G
1474 # replace G<male|female> tags 1643 ([BCGHITU])
1475 || s{G<([^>|]*)\|([^>]*)>}{ 1644 <
1476 $self->gender ? $2 : $1 1645 (?:
1477 }ge 1646 ([^<>]*) (?{ $group = $^N })
1478 # replace H<hint text> 1647 | < $interior >
1479 || s{H<([^\>]*)>} 1648 )
1649 >
1650 %gcsx
1480 { 1651 ) {
1652 my ($code, $data) = ($1, $group);
1653
1654 if ($code eq "B") {
1655 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656 } elsif ($code eq "I") {
1657 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658 } elsif ($code eq "U") {
1659 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660 } elsif ($code eq "C") {
1661 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662 } elsif ($code eq "T") {
1663 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664 } elsif ($code eq "G") {
1665 my ($male, $female) = split /\|/, $data;
1666 $data = $self->gender ? $female : $male;
1667 $xml .= expand_cfpod ($self, $data);
1668 } elsif ($code eq "H") {
1481 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>", 1669 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1482 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", 1670 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483 "") 1671 "")
1484 [$self->{hintmode}] 1672 [$self->{hintmode}];
1673 } else {
1674 $xml .= "error processing '$code($data)' directive";
1485 }ge; 1675 }
1676 } else {
1677 if ($pod =~ /\G(.+)/) {
1678 warn "parse error while expanding $pod (at $1)";
1679 }
1680 last;
1681 }
1682 }
1486 1683
1684 for ($xml) {
1487 # create single paragraphs (very hackish) 1685 # create single paragraphs (very hackish)
1488 s/(?<=\S)\n(?=\w)/ /g; 1686 s/(?<=\S)\n(?=\w)/ /g;
1489 1687
1490 # compress some whitespace 1688 # compress some whitespace
1491 s/\s+\n/\n/g; # ws line-ends 1689 s/\s+\n/\n/g; # ws line-ends
1492 s/\n\n+/\n/g; # double lines 1690 s/\n\n+/\n/g; # double lines
1493 s/^\n+//; # beginning lines 1691 s/^\n+//; # beginning lines
1494 s/\n+$//; # ending lines 1692 s/\n+$//; # ending lines
1693 }
1495 1694
1496 $_ 1695 $xml
1497} 1696}
1697
1698no re 'eval';
1498 1699
1499sub hintmode { 1700sub hintmode {
1500 $_[0]{hintmode} = $_[1] if @_ > 1; 1701 $_[0]{hintmode} = $_[1] if @_ > 1;
1501 $_[0]{hintmode} 1702 $_[0]{hintmode}
1502} 1703}
1574our $MAX_RESET = 3600; 1775our $MAX_RESET = 3600;
1575our $DEFAULT_RESET = 3000; 1776our $DEFAULT_RESET = 3000;
1576 1777
1577sub generate_random_map { 1778sub generate_random_map {
1578 my ($self, $rmp) = @_; 1779 my ($self, $rmp) = @_;
1780
1781 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1782
1579 # mit "rum" bekleckern, nicht 1783 # mit "rum" bekleckern, nicht
1580 $self->_create_random_map ( 1784 $self->_create_random_map (
1581 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1785 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1786 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1787 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1705 1909
1706# the temporary/swap location 1910# the temporary/swap location
1707sub save_path { 1911sub save_path {
1708 my ($self) = @_; 1912 my ($self) = @_;
1709 1913
1710 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1914 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711 "$TMPDIR/$path.map" 1915 "$TMPDIR/$path.map"
1712} 1916}
1713 1917
1714# the unique path, undef == no special unique path 1918# the unique path, undef == no special unique path
1715sub uniq_path { 1919sub uniq_path {
1716 my ($self) = @_; 1920 my ($self) = @_;
1717 1921
1718 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1922 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719 "$UNIQUEDIR/$path" 1923 "$UNIQUEDIR/$path"
1720} 1924}
1721 1925
1722# and all this just because we cannot iterate over 1926# and all this just because we cannot iterate over
1723# all maps in C++... 1927# all maps in C++...
1746 1950
1747sub load_header_from($) { 1951sub load_header_from($) {
1748 my ($self, $path) = @_; 1952 my ($self, $path) = @_;
1749 1953
1750 utf8::encode $path; 1954 utf8::encode $path;
1751 #aio_open $path, O_RDONLY, 0 1955 my $f = new_from_file cf::object::thawer $path
1752 # or return;
1753
1754 $self->_load_header ($path)
1755 or return; 1956 or return;
1957
1958 $self->_load_header ($f)
1959 or return;
1960
1961 local $MAP_LOADING{$self->{path}} = $self;
1962 $f->resolve_delayed_derefs;
1756 1963
1757 $self->{load_path} = $path; 1964 $self->{load_path} = $path;
1758 1965
1759 1 1966 1
1760} 1967}
1814sub find { 2021sub find {
1815 my ($path, $origin) = @_; 2022 my ($path, $origin) = @_;
1816 2023
1817 $path = normalise $path, $origin && $origin->path; 2024 $path = normalise $path, $origin && $origin->path;
1818 2025
2026 cf::lock_wait "map_data:$path";#d#remove
1819 cf::lock_wait "map_find:$path"; 2027 cf::lock_wait "map_find:$path";
1820 2028
1821 $cf::MAP{$path} || do { 2029 $cf::MAP{$path} || do {
1822 my $guard = cf::lock_acquire "map_find:$path"; 2030 my $guard1 = cf::lock_acquire "map_find:$path";
2031 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2032
1823 my $map = new_from_path cf::map $path 2033 my $map = new_from_path cf::map $path
1824 or return; 2034 or return;
1825 2035
1826 $map->{last_save} = $cf::RUNTIME; 2036 $map->{last_save} = $cf::RUNTIME;
1827 2037
1829 or return; 2039 or return;
1830 2040
1831 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2041 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832 # doing this can freeze the server in a sync job, obviously 2042 # doing this can freeze the server in a sync job, obviously
1833 #$cf::WAIT_FOR_TICK->wait; 2043 #$cf::WAIT_FOR_TICK->wait;
2044 undef $guard1;
2045 undef $guard2;
1834 $map->reset; 2046 $map->reset;
1835 undef $guard;
1836 return find $path; 2047 return find $path;
1837 } 2048 }
1838 2049
1839 $cf::MAP{$path} = $map 2050 $cf::MAP{$path} = $map
1840 } 2051 }
1849 local $self->{deny_reset} = 1; # loading can take a long time 2060 local $self->{deny_reset} = 1; # loading can take a long time
1850 2061
1851 my $path = $self->{path}; 2062 my $path = $self->{path};
1852 2063
1853 { 2064 {
1854 my $guard = cf::lock_acquire "map_load:$path"; 2065 my $guard = cf::lock_acquire "map_data:$path";
1855 2066
2067 return unless $self->valid;
1856 return if $self->in_memory != cf::MAP_SWAPPED; 2068 return unless $self->in_memory == cf::MAP_SWAPPED;
1857 2069
1858 $self->in_memory (cf::MAP_LOADING); 2070 $self->in_memory (cf::MAP_LOADING);
1859 2071
1860 $self->alloc; 2072 $self->alloc;
1861 2073
1862 $self->pre_load; 2074 $self->pre_load;
1863 Coro::cede; 2075 cf::cede_to_tick;
1864 2076
2077 my $f = new_from_file cf::object::thawer $self->{load_path};
2078 $f->skip_block;
1865 $self->_load_objects ($self->{load_path}, 1) 2079 $self->_load_objects ($f)
1866 or return; 2080 or return;
1867 2081
1868 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2082 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1869 if delete $self->{load_original}; 2083 if delete $self->{load_original};
1870 2084
1871 if (my $uniq = $self->uniq_path) { 2085 if (my $uniq = $self->uniq_path) {
1872 utf8::encode $uniq; 2086 utf8::encode $uniq;
1873 if (aio_open $uniq, O_RDONLY, 0) { 2087 unless (aio_stat $uniq) {
2088 if (my $f = new_from_file cf::object::thawer $uniq) {
1874 $self->clear_unique_items; 2089 $self->clear_unique_items;
1875 $self->_load_objects ($uniq, 0); 2090 $self->_load_objects ($f);
2091 $f->resolve_delayed_derefs;
2092 }
1876 } 2093 }
1877 } 2094 }
1878 2095
1879 Coro::cede; 2096 $f->resolve_delayed_derefs;
2097
2098 cf::cede_to_tick;
1880 # now do the right thing for maps 2099 # now do the right thing for maps
1881 $self->link_multipart_objects; 2100 $self->link_multipart_objects;
1882 $self->difficulty ($self->estimate_difficulty) 2101 $self->difficulty ($self->estimate_difficulty)
1883 unless $self->difficulty; 2102 unless $self->difficulty;
1884 Coro::cede; 2103 cf::cede_to_tick;
1885 2104
1886 unless ($self->{deny_activate}) { 2105 unless ($self->{deny_activate}) {
1887 $self->decay_objects; 2106 $self->decay_objects;
1888 $self->fix_auto_apply; 2107 $self->fix_auto_apply;
1889 $self->update_buttons; 2108 $self->update_buttons;
1890 Coro::cede; 2109 cf::cede_to_tick;
1891 $self->set_darkness_map; 2110 $self->set_darkness_map;
1892 Coro::cede; 2111 cf::cede_to_tick;
1893 $self->activate; 2112 $self->activate;
1894 } 2113 }
1895 2114
1896 $self->{last_save} = $cf::RUNTIME; 2115 $self->{last_save} = $cf::RUNTIME;
1897 $self->last_access ($cf::RUNTIME); 2116 $self->last_access ($cf::RUNTIME);
1948 2167
1949sub do_load_sync { 2168sub do_load_sync {
1950 my ($map) = @_; 2169 my ($map) = @_;
1951 2170
1952 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync" 2171 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1953 if $Coro::current != $Coro::main; 2172 if $Coro::current == $Coro::main;
1954 2173
1955 cf::sync_job { $map->load }; 2174 cf::sync_job { $map->load };
1956} 2175}
1957 2176
1958our %MAP_PREFETCH; 2177our %MAP_PREFETCH;
1968 } 2187 }
1969 2188
1970 $MAP_PREFETCH{$path} |= $load; 2189 $MAP_PREFETCH{$path} |= $load;
1971 2190
1972 $MAP_PREFETCHER ||= cf::async { 2191 $MAP_PREFETCHER ||= cf::async {
2192 $Coro::current->{desc} = "map prefetcher";
2193
1973 while (%MAP_PREFETCH) { 2194 while (%MAP_PREFETCH) {
1974 while (my ($k, $v) = each %MAP_PREFETCH) { 2195 while (my ($k, $v) = each %MAP_PREFETCH) {
1975 if (my $map = find $k) { 2196 if (my $map = find $k) {
1976 $map->load if $v; 2197 $map->load if $v;
1977 } 2198 }
1987} 2208}
1988 2209
1989sub save { 2210sub save {
1990 my ($self) = @_; 2211 my ($self) = @_;
1991 2212
1992 my $lock = cf::lock_acquire "map_data:" . $self->path; 2213 my $lock = cf::lock_acquire "map_data:$self->{path}";
1993 2214
1994 $self->{last_save} = $cf::RUNTIME; 2215 $self->{last_save} = $cf::RUNTIME;
1995 2216
1996 return unless $self->dirty; 2217 return unless $self->dirty;
1997 2218
2003 return if $self->{deny_save}; 2224 return if $self->{deny_save};
2004 2225
2005 local $self->{last_access} = $self->last_access;#d# 2226 local $self->{last_access} = $self->last_access;#d#
2006 2227
2007 cf::async { 2228 cf::async {
2229 $Coro::current->{desc} = "map player save";
2008 $_->contr->save for $self->players; 2230 $_->contr->save for $self->players;
2009 }; 2231 };
2010 2232
2011 if ($uniq) { 2233 if ($uniq) {
2012 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2234 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2020 my ($self) = @_; 2242 my ($self) = @_;
2021 2243
2022 # save first because save cedes 2244 # save first because save cedes
2023 $self->save; 2245 $self->save;
2024 2246
2025 my $lock = cf::lock_acquire "map_data:" . $self->path; 2247 my $lock = cf::lock_acquire "map_data:$self->{path}";
2026 2248
2027 return if $self->players; 2249 return if $self->players;
2028 return if $self->in_memory != cf::MAP_IN_MEMORY; 2250 return if $self->in_memory != cf::MAP_IN_MEMORY;
2029 return if $self->{deny_save}; 2251 return if $self->{deny_save};
2030 2252
2253 $self->in_memory (cf::MAP_SWAPPED);
2254
2255 $self->deactivate;
2256 $_->clear_links_to ($self) for values %cf::MAP;
2031 $self->clear; 2257 $self->clear;
2032 $self->in_memory (cf::MAP_SWAPPED);
2033} 2258}
2034 2259
2035sub reset_at { 2260sub reset_at {
2036 my ($self) = @_; 2261 my ($self) = @_;
2037 2262
2069 if $uniq; 2294 if $uniq;
2070 } 2295 }
2071 2296
2072 delete $cf::MAP{$self->path}; 2297 delete $cf::MAP{$self->path};
2073 2298
2299 $self->deactivate;
2300 $_->clear_links_to ($self) for values %cf::MAP;
2074 $self->clear; 2301 $self->clear;
2075
2076 $_->clear_links_to ($self) for values %cf::MAP;
2077 2302
2078 $self->unlink_save; 2303 $self->unlink_save;
2079 $self->destroy; 2304 $self->destroy;
2080} 2305}
2081 2306
2082my $nuke_counter = "aaaa"; 2307my $nuke_counter = "aaaa";
2083 2308
2084sub nuke { 2309sub nuke {
2085 my ($self) = @_; 2310 my ($self) = @_;
2086 2311
2312 {
2313 my $lock = cf::lock_acquire "map_data:$self->{path}";
2314
2087 delete $cf::MAP{$self->path}; 2315 delete $cf::MAP{$self->path};
2088 2316
2089 $self->unlink_save; 2317 $self->unlink_save;
2090 2318
2091 bless $self, "cf::map"; 2319 bless $self, "cf::map";
2092 delete $self->{deny_reset}; 2320 delete $self->{deny_reset};
2093 $self->{deny_save} = 1; 2321 $self->{deny_save} = 1;
2094 $self->reset_timeout (1); 2322 $self->reset_timeout (1);
2095 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2323 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096 2324
2097 $cf::MAP{$self->path} = $self; 2325 $cf::MAP{$self->path} = $self;
2326 }
2098 2327
2099 $self->reset; # polite request, might not happen 2328 $self->reset; # polite request, might not happen
2100} 2329}
2101 2330
2102=item $maps = cf::map::tmp_maps 2331=item $maps = cf::map::tmp_maps
2144 2373
2145sub unique_maps() { 2374sub unique_maps() {
2146 [ 2375 [
2147 map { 2376 map {
2148 utf8::decode $_; 2377 utf8::decode $_;
2149 /\.map$/ 2378 s/\.map$//; # TODO future compatibility hack
2379 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2380 ? ()
2150 ? normalise $_ 2381 : normalise $_
2151 : ()
2152 } @{ aio_readdir $UNIQUEDIR or [] } 2382 } @{ aio_readdir $UNIQUEDIR or [] }
2153 ] 2383 ]
2154} 2384}
2155 2385
2156package cf;
2157
2158=back 2386=back
2159 2387
2160=head3 cf::object 2388=head3 cf::object
2161 2389
2162=cut 2390=cut
2165 2393
2166=over 4 2394=over 4
2167 2395
2168=item $ob->inv_recursive 2396=item $ob->inv_recursive
2169 2397
2170Returns the inventory of the object _and_ their inventories, recursively. 2398Returns the inventory of the object I<and> their inventories, recursively,
2399but I<not> the object itself.
2171 2400
2172=cut 2401=cut
2173 2402
2174sub inv_recursive_; 2403sub inv_recursive_;
2175sub inv_recursive_ { 2404sub inv_recursive_ {
2176 map { $_, inv_recursive_ $_->inv } @_ 2405 map { $_, inv_recursive_ $_->inv } @_
2177} 2406}
2178 2407
2179sub inv_recursive { 2408sub inv_recursive {
2180 inv_recursive_ inv $_[0] 2409 inv_recursive_ inv $_[0]
2410}
2411
2412=item $ref = $ob->ref
2413
2414Creates and returns a persistent reference to an object that can be stored as a string.
2415
2416=item $ob = cf::object::deref ($refstring)
2417
2418returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2419even if the object actually exists. May block.
2420
2421=cut
2422
2423sub deref {
2424 my ($ref) = @_;
2425
2426 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2427 my ($uuid, $name) = ($1, $2);
2428 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2429 or return;
2430 $pl->ob->uuid eq $uuid
2431 or return;
2432
2433 $pl->ob
2434 } else {
2435 warn "$ref: cannot resolve object reference\n";
2436 undef
2437 }
2181} 2438}
2182 2439
2183package cf; 2440package cf;
2184 2441
2185=back 2442=back
2345 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2602 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346 2603
2347 $self->enter_link; 2604 $self->enter_link;
2348 2605
2349 (async { 2606 (async {
2607 $Coro::current->{desc} = "player::goto $path $x $y";
2608
2609 # *tag paths override both path and x|y
2610 if ($path =~ /^\*(.*)$/) {
2611 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2612 my $ob = $obs[rand @obs];
2613
2614 # see if we actually can go there
2615 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2616 $ob = $obs[rand @obs];
2617 } else {
2618 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2619 }
2620 # else put us there anyways for now #d#
2621
2622 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2623 } else {
2624 ($path, $x, $y) = (undef, undef, undef);
2625 }
2626 }
2627
2350 my $map = eval { 2628 my $map = eval {
2351 my $map = cf::map::find $path; 2629 my $map = defined $path ? cf::map::find $path : undef;
2352 2630
2353 if ($map) { 2631 if ($map) {
2354 $map = $map->customise_for ($self); 2632 $map = $map->customise_for ($self);
2355 $map = $check->($map) if $check && $map; 2633 $map = $check->($map) if $check && $map;
2356 } else { 2634 } else {
2357 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2635 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358 } 2636 }
2359 2637
2360 $map 2638 $map
2361 }; 2639 };
2362 2640
2415 $rmp->{origin_y} = $exit->y; 2693 $rmp->{origin_y} = $exit->y;
2416 } 2694 }
2417 2695
2418 $rmp->{random_seed} ||= $exit->random_seed; 2696 $rmp->{random_seed} ||= $exit->random_seed;
2419 2697
2420 my $data = cf::to_json $rmp; 2698 my $data = cf::encode_json $rmp;
2421 my $md5 = Digest::MD5::md5_hex $data; 2699 my $md5 = Digest::MD5::md5_hex $data;
2422 my $meta = "$RANDOMDIR/$md5.meta"; 2700 my $meta = "$RANDOMDIR/$md5.meta";
2423 2701
2424 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2702 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425 aio_write $fh, 0, (length $data), $data, 0; 2703 aio_write $fh, 0, (length $data), $data, 0;
2452 # if exit is damned, update players death & WoR home-position 2730 # if exit is damned, update players death & WoR home-position
2453 $self->contr->savebed ($slaying, $hp, $sp) 2731 $self->contr->savebed ($slaying, $hp, $sp)
2454 if $exit->flag (FLAG_DAMNED); 2732 if $exit->flag (FLAG_DAMNED);
2455 2733
2456 (async { 2734 (async {
2735 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2736
2457 $self->deactivate_recursive; # just to be sure 2737 $self->deactivate_recursive; # just to be sure
2458 unless (eval { 2738 unless (eval {
2459 $self->goto ($slaying, $hp, $sp); 2739 $self->goto ($slaying, $hp, $sp);
2460 2740
2461 1; 2741 1;
2496the message, with C<log> being the default. If C<$color> is negative, suppress 2776the message, with C<log> being the default. If C<$color> is negative, suppress
2497the message unless the client supports the msg packet. 2777the message unless the client supports the msg packet.
2498 2778
2499=cut 2779=cut
2500 2780
2781# non-persistent channels (usually the info channel)
2782our %CHANNEL = (
2783 "c/identify" => {
2784 id => "infobox",
2785 title => "Identify",
2786 reply => undef,
2787 tooltip => "Items recently identified",
2788 },
2789 "c/examine" => {
2790 id => "infobox",
2791 title => "Examine",
2792 reply => undef,
2793 tooltip => "Signs and other items you examined",
2794 },
2795 "c/book" => {
2796 id => "infobox",
2797 title => "Book",
2798 reply => undef,
2799 tooltip => "The contents of a note or book",
2800 },
2801 "c/lookat" => {
2802 id => "infobox",
2803 title => "Look",
2804 reply => undef,
2805 tooltip => "What you saw there",
2806 },
2807 "c/who" => {
2808 id => "infobox",
2809 title => "Players",
2810 reply => undef,
2811 tooltip => "Shows players who are currently online",
2812 },
2813 "c/body" => {
2814 id => "infobox",
2815 title => "Body Parts",
2816 reply => undef,
2817 tooltip => "Shows which body parts you posess and are available",
2818 },
2819 "c/uptime" => {
2820 id => "infobox",
2821 title => "Uptime",
2822 reply => undef,
2823 tooltip => "How long the server has been running since last restart",
2824 },
2825 "c/mapinfo" => {
2826 id => "infobox",
2827 title => "Map Info",
2828 reply => undef,
2829 tooltip => "Information related to the maps",
2830 },
2831);
2832
2501sub cf::client::send_msg { 2833sub cf::client::send_msg {
2502 my ($self, $channel, $msg, $color, @extra) = @_; 2834 my ($self, $channel, $msg, $color, @extra) = @_;
2503 2835
2504 $msg = $self->pl->expand_cfpod ($msg); 2836 $msg = $self->pl->expand_cfpod ($msg);
2505 2837
2506 $color &= cf::NDI_CLIENT_MASK; # just in case... 2838 $color &= cf::NDI_CLIENT_MASK; # just in case...
2507 2839
2840 # check predefined channels, for the benefit of C
2841 if ($CHANNEL{$channel}) {
2842 $channel = $CHANNEL{$channel};
2843
2844 $self->ext_msg (channel_info => $channel)
2845 if $self->can_msg;
2846
2847 $channel = $channel->{id};
2848
2508 if (ref $channel) { 2849 } elsif (ref $channel) {
2509 # send meta info to client, if not yet sent 2850 # send meta info to client, if not yet sent
2510 unless (exists $self->{channel}{$channel->{id}}) { 2851 unless (exists $self->{channel}{$channel->{id}}) {
2511 $self->{channel}{$channel->{id}} = $channel; 2852 $self->{channel}{$channel->{id}} = $channel;
2512 $self->ext_msg (channel_info => $channel); 2853 $self->ext_msg (channel_info => $channel)
2854 if $self->can_msg;
2513 } 2855 }
2514 2856
2515 $channel = $channel->{id}; 2857 $channel = $channel->{id};
2516 } 2858 }
2517 2859
2558=cut 2900=cut
2559 2901
2560sub cf::client::ext_msg($$@) { 2902sub cf::client::ext_msg($$@) {
2561 my ($self, $type, @msg) = @_; 2903 my ($self, $type, @msg) = @_;
2562 2904
2563 my $extcmd = $self->extcmd;
2564
2565 if ($extcmd == 2) { 2905 if ($self->extcmd == 2) {
2566 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 2906 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2567 } elsif ($extcmd == 1) { # TODO: remove 2907 } elsif ($self->extcmd == 1) { # TODO: remove
2568 push @msg, msgtype => "event_$type"; 2908 push @msg, msgtype => "event_$type";
2569 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 2909 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2570 } 2910 }
2571} 2911}
2572 2912
2579sub cf::client::ext_reply($$@) { 2919sub cf::client::ext_reply($$@) {
2580 my ($self, $id, @msg) = @_; 2920 my ($self, $id, @msg) = @_;
2581 2921
2582 if ($self->extcmd == 2) { 2922 if ($self->extcmd == 2) {
2583 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg])); 2923 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2584 } elsif ($self->ns->extcmd == 1) { 2924 } elsif ($self->extcmd == 1) {
2585 #TODO: version 1, remove 2925 #TODO: version 1, remove
2586 unshift @msg, msgtype => "reply", msgid => $id; 2926 unshift @msg, msgtype => "reply", msgid => $id;
2587 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 2927 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2588 } 2928 }
2589} 2929}
2731=pod 3071=pod
2732 3072
2733The following functions and methods are available within a safe environment: 3073The following functions and methods are available within a safe environment:
2734 3074
2735 cf::object 3075 cf::object
2736 contr pay_amount pay_player map x y force_find force_add 3076 contr pay_amount pay_player map x y force_find force_add destroy
2737 insert remove name archname title slaying race decrease_ob_nr 3077 insert remove name archname title slaying race decrease_ob_nr
2738 3078
2739 cf::object::player 3079 cf::object::player
2740 player 3080 player
2741 3081
2748=cut 3088=cut
2749 3089
2750for ( 3090for (
2751 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3091 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2752 insert remove inv name archname title slaying race 3092 insert remove inv name archname title slaying race
2753 decrease_ob_nr)], 3093 decrease_ob_nr destroy)],
2754 ["cf::object::player" => qw(player)], 3094 ["cf::object::player" => qw(player)],
2755 ["cf::player" => qw(peaceful)], 3095 ["cf::player" => qw(peaceful)],
2756 ["cf::map" => qw(trigger)], 3096 ["cf::map" => qw(trigger)],
2757) { 3097) {
2758 no strict 'refs'; 3098 no strict 'refs';
2834# the server's init and main functions 3174# the server's init and main functions
2835 3175
2836sub load_facedata($) { 3176sub load_facedata($) {
2837 my ($path) = @_; 3177 my ($path) = @_;
2838 3178
3179 # HACK to clear player env face cache, we need some signal framework
3180 # for this (global event?)
3181 %ext::player_env::MUSIC_FACE_CACHE = ();
3182
2839 my $enc = JSON::XS->new->utf8->canonical; 3183 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2840 3184
2841 warn "loading facedata from $path\n"; 3185 warn "loading facedata from $path\n";
2842 3186
2843 my $facedata; 3187 my $facedata;
2844 0 < aio_load $path, $facedata 3188 0 < aio_load $path, $facedata
2859 { 3203 {
2860 my $faces = $facedata->{faceinfo}; 3204 my $faces = $facedata->{faceinfo};
2861 3205
2862 while (my ($face, $info) = each %$faces) { 3206 while (my ($face, $info) = each %$faces) {
2863 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3207 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3208
2864 cf::face::set_visibility $idx, $info->{visibility}; 3209 cf::face::set_visibility $idx, $info->{visibility};
2865 cf::face::set_magicmap $idx, $info->{magicmap}; 3210 cf::face::set_magicmap $idx, $info->{magicmap};
2866 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3211 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2867 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3212 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2868 3213
2869 cf::cede_to_tick; 3214 cf::cede_to_tick;
2870 } 3215 }
2871 3216
2872 while (my ($face, $info) = each %$faces) { 3217 while (my ($face, $info) = each %$faces) {
2873 next unless $info->{smooth}; 3218 next unless $info->{smooth};
3219
2874 my $idx = cf::face::find $face 3220 my $idx = cf::face::find $face
2875 or next; 3221 or next;
3222
2876 if (my $smooth = cf::face::find $info->{smooth}) { 3223 if (my $smooth = cf::face::find $info->{smooth}) {
2877 cf::face::set_smooth $idx, $smooth; 3224 cf::face::set_smooth $idx, $smooth;
2878 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3225 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2879 } else { 3226 } else {
2880 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3227 warn "smooth face '$info->{smooth}' not found for face '$face'";
2898 { 3245 {
2899 # TODO: for gcfclient pleasure, we should give resources 3246 # TODO: for gcfclient pleasure, we should give resources
2900 # that gcfclient doesn't grok a >10000 face index. 3247 # that gcfclient doesn't grok a >10000 face index.
2901 my $res = $facedata->{resource}; 3248 my $res = $facedata->{resource};
2902 3249
2903 my $soundconf = delete $res->{"res/sound.conf"};
2904
2905 while (my ($name, $info) = each %$res) { 3250 while (my ($name, $info) = each %$res) {
3251 if (defined $info->{type}) {
2906 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3252 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2907 my $data; 3253 my $data;
2908 3254
2909 if ($info->{type} & 1) { 3255 if ($info->{type} & 1) {
2910 # prepend meta info 3256 # prepend meta info
2911 3257
2912 my $meta = $enc->encode ({ 3258 my $meta = $enc->encode ({
2913 name => $name, 3259 name => $name,
2914 %{ $info->{meta} || {} }, 3260 %{ $info->{meta} || {} },
2915 }); 3261 });
2916 3262
2917 $data = pack "(w/a*)*", $meta, $info->{data}; 3263 $data = pack "(w/a*)*", $meta, $info->{data};
3264 } else {
3265 $data = $info->{data};
3266 }
3267
3268 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3269 cf::face::set_type $idx, $info->{type};
2918 } else { 3270 } else {
2919 $data = $info->{data}; 3271 $RESOURCE{$name} = $info;
2920 } 3272 }
2921 3273
2922 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2923 cf::face::set_type $idx, $info->{type};
2924
2925 cf::cede_to_tick; 3274 cf::cede_to_tick;
2926 } 3275 }
2927
2928 if ($soundconf) {
2929 $soundconf = $enc->decode (delete $soundconf->{data});
2930
2931 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2932 my $sound = $soundconf->{compat}[$_]
2933 or next;
2934
2935 my $face = cf::face::find "sound/$sound->[1]";
2936 cf::sound::set $sound->[0] => $face;
2937 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2938 }
2939
2940 while (my ($k, $v) = each %{$soundconf->{event}}) {
2941 my $face = cf::face::find "sound/$v";
2942 cf::sound::set $k => $face;
2943 }
2944 }
2945 } 3276 }
3277
3278 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2946 3279
2947 1 3280 1
2948} 3281}
3282
3283cf::global->attach (on_resource_update => sub {
3284 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3285 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3286
3287 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3288 my $sound = $soundconf->{compat}[$_]
3289 or next;
3290
3291 my $face = cf::face::find "sound/$sound->[1]";
3292 cf::sound::set $sound->[0] => $face;
3293 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3294 }
3295
3296 while (my ($k, $v) = each %{$soundconf->{event}}) {
3297 my $face = cf::face::find "sound/$v";
3298 cf::sound::set $k => $face;
3299 }
3300 }
3301});
2949 3302
2950register_exticmd fx_want => sub { 3303register_exticmd fx_want => sub {
2951 my ($ns, $want) = @_; 3304 my ($ns, $want) = @_;
2952 3305
2953 while (my ($k, $v) = each %$want) { 3306 while (my ($k, $v) = each %$want) {
2954 $ns->fx_want ($k, $v); 3307 $ns->fx_want ($k, $v);
2955 } 3308 }
2956}; 3309};
2957 3310
2958sub reload_regions { 3311sub reload_regions {
3312 # HACK to clear player env face cache, we need some signal framework
3313 # for this (global event?)
3314 %ext::player_env::MUSIC_FACE_CACHE = ();
3315
2959 load_resource_file "$MAPDIR/regions" 3316 load_resource_file "$MAPDIR/regions"
2960 or die "unable to load regions file\n"; 3317 or die "unable to load regions file\n";
2961 3318
2962 for (cf::region::list) { 3319 for (cf::region::list) {
2963 $_->{match} = qr/$_->{match}/ 3320 $_->{match} = qr/$_->{match}/
2999 3356
3000sub init { 3357sub init {
3001 reload_resources; 3358 reload_resources;
3002} 3359}
3003 3360
3004sub cfg_load { 3361sub reload_config {
3005 open my $fh, "<:utf8", "$CONFDIR/config" 3362 open my $fh, "<:utf8", "$CONFDIR/config"
3006 or return; 3363 or return;
3007 3364
3008 local $/; 3365 local $/;
3009 *CFG = YAML::Syck::Load <$fh>; 3366 *CFG = YAML::Load <$fh>;
3010 3367
3011 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3368 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3012 3369
3013 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3370 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3014 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3371 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3025sub main { 3382sub main {
3026 # we must not ever block the main coroutine 3383 # we must not ever block the main coroutine
3027 local $Coro::idle = sub { 3384 local $Coro::idle = sub {
3028 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3385 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3029 (async { 3386 (async {
3030 Event::one_event; 3387 $Coro::current->{desc} = "IDLE BUG HANDLER";
3388 EV::loop EV::LOOP_ONESHOT;
3031 })->prio (Coro::PRIO_MAX); 3389 })->prio (Coro::PRIO_MAX);
3032 }; 3390 };
3033 3391
3034 cfg_load; 3392 reload_config;
3035 db_init; 3393 db_init;
3036 load_extensions; 3394 load_extensions;
3037 3395
3038 $TICK_WATCHER->start; 3396 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3397 evthread_start IO::AIO::poll_fileno;
3039 Event::loop; 3398 EV::loop;
3040} 3399}
3041 3400
3042############################################################################# 3401#############################################################################
3043# initialisation and cleanup 3402# initialisation and cleanup
3044 3403
3045# install some emergency cleanup handlers 3404# install some emergency cleanup handlers
3046BEGIN { 3405BEGIN {
3406 our %SIGWATCHER = ();
3047 for my $signal (qw(INT HUP TERM)) { 3407 for my $signal (qw(INT HUP TERM)) {
3048 Event->signal ( 3408 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3049 reentrant => 0,
3050 data => WF_AUTOCANCEL,
3051 signal => $signal,
3052 prio => 0,
3053 cb => sub {
3054 cf::cleanup "SIG$signal"; 3409 cf::cleanup "SIG$signal";
3055 },
3056 ); 3410 };
3057 } 3411 }
3058} 3412}
3059 3413
3060sub write_runtime { 3414sub write_runtime_sync {
3061 my $runtime = "$LOCALDIR/runtime"; 3415 my $runtime = "$LOCALDIR/runtime";
3062 3416
3063 # first touch the runtime file to show we are still running: 3417 # first touch the runtime file to show we are still running:
3064 # the fsync below can take a very very long time. 3418 # the fsync below can take a very very long time.
3065 3419
3091 and return; 3445 and return;
3092 3446
3093 warn "runtime file written.\n"; 3447 warn "runtime file written.\n";
3094 3448
3095 1 3449 1
3450}
3451
3452our $uuid_lock;
3453our $uuid_skip;
3454
3455sub write_uuid_sync($) {
3456 $uuid_skip ||= $_[0];
3457
3458 return if $uuid_lock;
3459 local $uuid_lock = 1;
3460
3461 my $uuid = "$LOCALDIR/uuid";
3462
3463 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3464 or return;
3465
3466 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3467 $uuid_skip = 0;
3468
3469 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3470 and return;
3471
3472 # always fsync - this file is important
3473 aio_fsync $fh
3474 and return;
3475
3476 close $fh
3477 or return;
3478
3479 aio_rename "$uuid~", $uuid
3480 and return;
3481
3482 warn "uuid file written ($value).\n";
3483
3484 1
3485
3486}
3487
3488sub write_uuid($$) {
3489 my ($skip, $sync) = @_;
3490
3491 $sync ? write_uuid_sync $skip
3492 : async { write_uuid_sync $skip };
3096} 3493}
3097 3494
3098sub emergency_save() { 3495sub emergency_save() {
3099 my $freeze_guard = cf::freeze_mainloop; 3496 my $freeze_guard = cf::freeze_mainloop;
3100 3497
3106 # and maps saved/destroyed asynchronously. 3503 # and maps saved/destroyed asynchronously.
3107 warn "begin emergency player save\n"; 3504 warn "begin emergency player save\n";
3108 for my $login (keys %cf::PLAYER) { 3505 for my $login (keys %cf::PLAYER) {
3109 my $pl = $cf::PLAYER{$login} or next; 3506 my $pl = $cf::PLAYER{$login} or next;
3110 $pl->valid or next; 3507 $pl->valid or next;
3508 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3111 $pl->save; 3509 $pl->save;
3112 } 3510 }
3113 warn "end emergency player save\n"; 3511 warn "end emergency player save\n";
3114 3512
3115 warn "begin emergency map save\n"; 3513 warn "begin emergency map save\n";
3121 warn "end emergency map save\n"; 3519 warn "end emergency map save\n";
3122 3520
3123 warn "begin emergency database checkpoint\n"; 3521 warn "begin emergency database checkpoint\n";
3124 BDB::db_env_txn_checkpoint $DB_ENV; 3522 BDB::db_env_txn_checkpoint $DB_ENV;
3125 warn "end emergency database checkpoint\n"; 3523 warn "end emergency database checkpoint\n";
3524
3525 warn "begin write uuid\n";
3526 write_uuid_sync 1;
3527 warn "end write uuid\n";
3126 }; 3528 };
3127 3529
3128 warn "leave emergency perl save\n"; 3530 warn "leave emergency perl save\n";
3129} 3531}
3130 3532
3145 warn "reloading..."; 3547 warn "reloading...";
3146 3548
3147 warn "entering sync_job"; 3549 warn "entering sync_job";
3148 3550
3149 cf::sync_job { 3551 cf::sync_job {
3150 cf::write_runtime; # external watchdog should not bark 3552 cf::write_runtime_sync; # external watchdog should not bark
3151 cf::emergency_save; 3553 cf::emergency_save;
3152 cf::write_runtime; # external watchdog should not bark 3554 cf::write_runtime_sync; # external watchdog should not bark
3153 3555
3154 warn "syncing database to disk"; 3556 warn "syncing database to disk";
3155 BDB::db_env_txn_checkpoint $DB_ENV; 3557 BDB::db_env_txn_checkpoint $DB_ENV;
3156 3558
3157 # if anything goes wrong in here, we should simply crash as we already saved 3559 # if anything goes wrong in here, we should simply crash as we already saved
3158
3159 warn "cancelling all WF_AUTOCANCEL watchers";
3160 for (Event::all_watchers) {
3161 $_->cancel if $_->data & WF_AUTOCANCEL;
3162 }
3163 3560
3164 warn "flushing outstanding aio requests"; 3561 warn "flushing outstanding aio requests";
3165 for (;;) { 3562 for (;;) {
3166 BDB::flush; 3563 BDB::flush;
3167 IO::AIO::flush; 3564 IO::AIO::flush;
3168 Coro::cede; 3565 Coro::cede_notself;
3169 last unless IO::AIO::nreqs || BDB::nreqs; 3566 last unless IO::AIO::nreqs || BDB::nreqs;
3170 warn "iterate..."; 3567 warn "iterate...";
3171 } 3568 }
3172 3569
3173 ++$RELOAD; 3570 ++$RELOAD;
3232 warn "reloading cf.pm"; 3629 warn "reloading cf.pm";
3233 require cf; 3630 require cf;
3234 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3631 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3235 3632
3236 warn "loading config and database again"; 3633 warn "loading config and database again";
3237 cf::cfg_load; 3634 cf::reload_config;
3238 3635
3239 warn "loading extensions"; 3636 warn "loading extensions";
3240 cf::load_extensions; 3637 cf::load_extensions;
3241 3638
3242 warn "reattaching attachments to objects/players"; 3639 warn "reattaching attachments to objects/players";
3249 warn "leaving sync_job"; 3646 warn "leaving sync_job";
3250 3647
3251 1 3648 1
3252 } or do { 3649 } or do {
3253 warn $@; 3650 warn $@;
3254 warn "error while reloading, exiting."; 3651 cf::cleanup "error while reloading, exiting.";
3255 exit 1;
3256 }; 3652 };
3257 3653
3258 warn "reloaded"; 3654 warn "reloaded";
3259}; 3655};
3260 3656
3262 3658
3263sub reload_perl() { 3659sub reload_perl() {
3264 # doing reload synchronously and two reloads happen back-to-back, 3660 # doing reload synchronously and two reloads happen back-to-back,
3265 # coro crashes during coro_state_free->destroy here. 3661 # coro crashes during coro_state_free->destroy here.
3266 3662
3267 $RELOAD_WATCHER ||= Event->timer ( 3663 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3268 reentrant => 0,
3269 after => 0,
3270 data => WF_AUTOCANCEL,
3271 cb => sub {
3272 do_reload_perl; 3664 do_reload_perl;
3273 undef $RELOAD_WATCHER; 3665 undef $RELOAD_WATCHER;
3274 },
3275 ); 3666 };
3276} 3667}
3277 3668
3278register_command "reload" => sub { 3669register_command "reload" => sub {
3279 my ($who, $arg) = @_; 3670 my ($who, $arg) = @_;
3280 3671
3281 if ($who->flag (FLAG_WIZ)) { 3672 if ($who->flag (FLAG_WIZ)) {
3282 $who->message ("reloading server."); 3673 $who->message ("reloading server.");
3674 async {
3675 $Coro::current->{desc} = "perl_reload";
3283 async { reload_perl }; 3676 reload_perl;
3677 };
3284 } 3678 }
3285}; 3679};
3286 3680
3287unshift @INC, $LIBDIR; 3681unshift @INC, $LIBDIR;
3288 3682
3290 3684
3291our @WAIT_FOR_TICK; 3685our @WAIT_FOR_TICK;
3292our @WAIT_FOR_TICK_BEGIN; 3686our @WAIT_FOR_TICK_BEGIN;
3293 3687
3294sub wait_for_tick { 3688sub wait_for_tick {
3295 return unless $TICK_WATCHER->is_active; 3689 return if tick_inhibit;
3296 return if $Coro::current == $Coro::main; 3690 return if $Coro::current == $Coro::main;
3297 3691
3298 my $signal = new Coro::Signal; 3692 my $signal = new Coro::Signal;
3299 push @WAIT_FOR_TICK, $signal; 3693 push @WAIT_FOR_TICK, $signal;
3300 $signal->wait; 3694 $signal->wait;
3301} 3695}
3302 3696
3303sub wait_for_tick_begin { 3697sub wait_for_tick_begin {
3304 return unless $TICK_WATCHER->is_active; 3698 return if tick_inhibit;
3305 return if $Coro::current == $Coro::main; 3699 return if $Coro::current == $Coro::main;
3306 3700
3307 my $signal = new Coro::Signal; 3701 my $signal = new Coro::Signal;
3308 push @WAIT_FOR_TICK_BEGIN, $signal; 3702 push @WAIT_FOR_TICK_BEGIN, $signal;
3309 $signal->wait; 3703 $signal->wait;
3310} 3704}
3311 3705
3312 my $min = 1e6;#d# 3706sub tick {
3313 my $avg = 10;
3314$TICK_WATCHER = Event->timer (
3315 reentrant => 0,
3316 parked => 1,
3317 prio => 0,
3318 at => $NEXT_TICK || $TICK,
3319 data => WF_AUTOCANCEL,
3320 cb => sub {
3321 if ($Coro::current != $Coro::main) { 3707 if ($Coro::current != $Coro::main) {
3322 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3708 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3323 unless ++$bug_warning > 10; 3709 unless ++$bug_warning > 10;
3324 return; 3710 return;
3325 } 3711 }
3326 3712
3327 $NOW = $tick_start = Event::time;
3328
3329 cf::server_tick; # one server iteration 3713 cf::server_tick; # one server iteration
3330 3714
3331 0 && sync_job {#d# 3715 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3332 for(1..10) { 3716 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3333 my $t = Event::time; 3717 Coro::async_pool {
3334 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3718 $Coro::current->{desc} = "runtime saver";
3335 or die; 3719 write_runtime_sync
3336 3720 or warn "ERROR: unable to write runtime file: $!";
3337 $map->width (50);
3338 $map->height (50);
3339 $map->alloc;
3340 $map->_load_objects ("/tmp/x.map", 1);
3341 my $t = Event::time - $t;
3342
3343 #next unless $t < 0.0013;#d#
3344 if ($t < $min) {
3345 $min = $t;
3346 }
3347 $avg = $avg * 0.99 + $t * 0.01;
3348 }
3349 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3350 exit 0;
3351 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3352 }; 3721 };
3722 }
3353 3723
3354 $RUNTIME += $TICK;
3355 $NEXT_TICK += $TICK;
3356
3357 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3358 $NEXT_RUNTIME_WRITE = $NOW + 10;
3359 Coro::async_pool {
3360 write_runtime
3361 or warn "ERROR: unable to write runtime file: $!";
3362 };
3363 }
3364
3365# my $AFTER = Event::time;
3366# warn $AFTER - $NOW;#d#
3367
3368 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3724 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3369 $sig->send; 3725 $sig->send;
3370 } 3726 }
3371 while (my $sig = shift @WAIT_FOR_TICK) { 3727 while (my $sig = shift @WAIT_FOR_TICK) {
3372 $sig->send; 3728 $sig->send;
3373 } 3729 }
3374 3730
3375 $NOW = Event::time; 3731 $LOAD = ($NOW - $TICK_START) / $TICK;
3376
3377 # if we are delayed by four ticks or more, skip them all
3378 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3379
3380 $TICK_WATCHER->at ($NEXT_TICK);
3381 $TICK_WATCHER->start;
3382
3383 $LOAD = ($NOW - $tick_start) / $TICK;
3384 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3732 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3385 3733
3386 _post_tick; 3734 if (0) {
3387 3735 if ($NEXT_TICK) {
3388 3736 my $jitter = $TICK_START - $NEXT_TICK;
3737 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3738 warn "jitter $JITTER\n";#d#
3739 }
3389 }, 3740 }
3390); 3741}
3391 3742
3392{ 3743{
3393 BDB::max_poll_time $TICK * 0.1; 3744 # configure BDB
3394 $BDB_POLL_WATCHER = Event->io ( 3745
3395 reentrant => 0,
3396 fd => BDB::poll_fileno,
3397 poll => 'r',
3398 prio => 0,
3399 data => WF_AUTOCANCEL,
3400 cb => \&BDB::poll_cb,
3401 );
3402 BDB::min_parallel 8; 3746 BDB::min_parallel 8;
3403 3747 BDB::max_poll_reqs $TICK * 0.1;
3404 BDB::set_sync_prepare { 3748 $Coro::BDB::WATCHER->priority (1);
3405 my $status;
3406 my $current = $Coro::current;
3407 (
3408 sub {
3409 $status = $!;
3410 $current->ready; undef $current;
3411 },
3412 sub {
3413 Coro::schedule while defined $current;
3414 $! = $status;
3415 },
3416 )
3417 };
3418 3749
3419 unless ($DB_ENV) { 3750 unless ($DB_ENV) {
3420 $DB_ENV = BDB::db_env_create; 3751 $DB_ENV = BDB::db_env_create;
3752 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3753 | BDB::LOG_AUTOREMOVE, 1);
3754 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3755 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3421 3756
3422 cf::sync_job { 3757 cf::sync_job {
3423 eval { 3758 eval {
3424 BDB::db_env_open 3759 BDB::db_env_open
3425 $DB_ENV, 3760 $DB_ENV,
3427 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3762 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3428 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3763 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3429 0666; 3764 0666;
3430 3765
3431 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3766 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3432
3433 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3434 $DB_ENV->set_lk_detect;
3435 }; 3767 };
3436 3768
3437 cf::cleanup "db_env_open(db): $@" if $@; 3769 cf::cleanup "db_env_open(db): $@" if $@;
3438 }; 3770 };
3439 } 3771 }
3772
3773 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3774 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3775 };
3776 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3777 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3778 };
3779 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3780 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3781 };
3440} 3782}
3441 3783
3442{ 3784{
3785 # configure IO::AIO
3786
3443 IO::AIO::min_parallel 8; 3787 IO::AIO::min_parallel 8;
3444
3445 undef $Coro::AIO::WATCHER;
3446 IO::AIO::max_poll_time $TICK * 0.1; 3788 IO::AIO::max_poll_time $TICK * 0.1;
3447 $AIO_POLL_WATCHER = Event->io ( 3789 $Coro::AIO::WATCHER->priority (1);
3448 reentrant => 0,
3449 data => WF_AUTOCANCEL,
3450 fd => IO::AIO::poll_fileno,
3451 poll => 'r',
3452 prio => 6,
3453 cb => \&IO::AIO::poll_cb,
3454 );
3455} 3790}
3456 3791
3457my $_log_backtrace; 3792my $_log_backtrace;
3458 3793
3459sub _log_backtrace { 3794sub _log_backtrace {
3463 3798
3464 # limit the # of concurrent backtraces 3799 # limit the # of concurrent backtraces
3465 if ($_log_backtrace < 2) { 3800 if ($_log_backtrace < 2) {
3466 ++$_log_backtrace; 3801 ++$_log_backtrace;
3467 async { 3802 async {
3803 $Coro::current->{desc} = "abt $msg";
3804
3468 my @bt = fork_call { 3805 my @bt = fork_call {
3469 @addr = map { sprintf "%x", $_ } @addr; 3806 @addr = map { sprintf "%x", $_ } @addr;
3470 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3807 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3471 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3808 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3472 or die "addr2line: $!"; 3809 or die "addr2line: $!";

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